New Castle County Delaware

New Castle County is the northernmost of the three counties of the U.S. state of Delaware. As of the 2020 census, the population was 570,719, making it the most populous county in Delaware, with nearly 60% of the state's population of 989,948. The county seat is Wilmington, which is also the state's most populous city. New Castle County is included in the …
New Castle County is the northernmost of the three counties of the U.S. state of Delaware. As of the 2020 census, the population was 570,719, making it the most populous county in Delaware, with nearly 60% of the state's population of 989,948. The county seat is Wilmington, which is also the state's most populous city. New Castle County is included in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area. The county is named after William Cavendish, 1st Duke of Newcastle. New Castle County has the highest population and population density of any Delaware county, and it is the smallest county in the state by area. It has more people than the other two counties, Kent and Sussex, combined. It is also the most economically developed of the three.
  • Country: United States
  • State: Delaware
  • Founded: August 8, 1673
  • Named for: William Cavendish, 1st Duke of Newcastle
  • Seat: Wilmington
  • Largest city: Wilmington
  • Congressional district: At-large

Events

See all
  • New Castle County Delaware - Real Estate & Homes for Sale

    https://www.realtor.com
    AdSee condos and townhomes for sale, connect with local experts and schedule the tour today. Realtor.com® puts the best tools in your hands. Find the perfect condos, townhomes & more
    Site visitors: Over 100K in the past month

    View property flood risks · Go on 3D virtual tours · Find Open Houses · Affordability Calculator

  • New Castle County, DE Homes - Homes For Sale

    https://www.homes.com
    AdBrowse Homes.com's exclusive listings of homes, townhouses & condos for rent. Search by neighborhood & school district on the #1 fastest growing real estate search site

    Customize Your Search · Home Value Estimates · Neighborhood Map View

    Amenities: Central Heat, Central A/C, Hardwood Floors, Fireplace, Basement, Garage
Data from: en.wikipedia.org